.mf-popup-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background: rgba(5, 6, 18, 0.72);
  backdrop-filter: blur(10px);
}

.mf-popup-overlay.is-visible {
  display: flex;
}

.mf-popup {
  position: relative;
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(300px, 1fr);
  width: min(920px, 100%);
  max-height: min(92vh, 780px);
  overflow: auto;
  border: 1px solid rgba(241, 198, 113, 0.35);
  border-radius: 26px;
  background: var(--bg-dark-secondary, #1a1a2e);
  box-shadow: 0 32px 100px rgba(0, 0, 0, 0.48);
}

.mf-popup-visual {
  padding: 2rem;
  color: var(--text-white, #fff);
  background:
    radial-gradient(circle at 72% 8%, rgba(241, 198, 113, 0.34), transparent 32%),
    radial-gradient(circle at 15% 92%, rgba(25, 135, 84, 0.24), transparent 34%),
    linear-gradient(135deg, var(--bg-dark-primary, #0f0f23), var(--bg-dark-tertiary, #16213e));
}

.mf-popup-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 1.6rem;
  font-weight: 800;
}

.mf-popup-brand img {
  width: 42px;
  height: 42px;
}

.mf-popup-brand span span {
  color: var(--primary-accent, #F1C671);
}

.mf-popup-kicker {
  color: var(--primary-accent, #F1C671);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.mf-popup-visual h2 {
  margin: 0.5rem 0 1rem;
  color: var(--text-white, #fff);
  font-family: var(--font-heading, "Playfair Display", serif);
  font-size: clamp(2rem, 4vw, 3rem);
}

.mf-popup-visual p,
.mf-popup-visual li {
  color: rgba(255, 255, 255, 0.82);
}

.mf-popup-guide-card {
  margin-top: 1.5rem;
  padding: 1rem;
  border: 1px solid rgba(241, 198, 113, 0.28);
  border-radius: 18px;
  background: rgba(15, 15, 35, 0.62);
}

.mf-popup-guide-card strong {
  color: var(--primary-accent, #F1C671);
}

.mf-popup-content {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.035);
}

.mf-popup-close {
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  z-index: 2;
  width: 2.2rem;
  height: 2.2rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: #fff;
  background: rgba(15, 15, 35, 0.8);
  cursor: pointer;
  font-size: 1.2rem;
}

.mf-popup-content h3 {
  margin-top: 0;
  color: var(--primary-accent, #F1C671);
}

.mf-popup-form {
  display: grid;
  gap: 0.9rem;
}

.mf-popup-field label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--text-white-80, rgba(255, 255, 255, 0.8));
  font-size: 0.82rem;
  font-weight: 700;
}

.mf-popup-field input {
  width: 100%;
  padding: 0.78rem 0.85rem;
  border: 1px solid rgba(241, 198, 113, 0.24);
  border-radius: 12px;
  color: var(--text-white, #fff);
  background: rgba(15, 15, 35, 0.74);
  font: inherit;
}

.mf-popup-field input:focus {
  outline: 2px solid rgba(241, 198, 113, 0.42);
  outline-offset: 2px;
}

.mf-popup-submit,
.mf-popup-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 3rem;
  border: 0;
  border-radius: 999px;
  color: var(--bg-dark-primary, #0f0f23);
  background: var(--primary-accent, #F1C671);
  cursor: pointer;
  font-weight: 800;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.mf-popup-submit:hover,
.mf-popup-download:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(241, 198, 113, 0.26);
}

.mf-popup-submit[disabled] {
  cursor: wait;
  opacity: 0.72;
}

.mf-popup-error {
  display: none;
  padding: 0.75rem;
  border: 1px solid rgba(255, 107, 107, 0.35);
  border-radius: 12px;
  color: #ffd8d8;
  background: rgba(118, 20, 20, 0.28);
  font-size: 0.9rem;
}

.mf-popup-error.is-visible {
  display: block;
}

.mf-popup-note {
  margin: 0.2rem 0 0;
  color: var(--text-white-60, rgba(255, 255, 255, 0.6));
  font-size: 0.82rem;
}

.mf-popup-success {
  display: none;
  text-align: center;
}

.mf-popup-success.is-visible {
  display: block;
}

.mf-popup-success p {
  color: var(--text-white-80, rgba(255, 255, 255, 0.8));
}

body.mf-popup-open {
  overflow: hidden;
}

@media (max-width: 760px) {
  .mf-popup-overlay {
    align-items: flex-start;
    padding: 0.75rem;
    overflow: auto;
  }

  .mf-popup {
    grid-template-columns: 1fr;
    max-height: none;
  }

  .mf-popup-visual,
  .mf-popup-content {
    padding: 1.5rem;
  }

  .mf-popup-guide-card {
    display: none;
  }
}